510(k) Report

510(k) · Cleared

Cleared

Proxeo ULTRA (PB-510, PB-520 and PB-530)

K223173510(k) TraditionalCleared Jul 14, 2023276-day reviewClass II21 CFR 872.4850

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

W&H Dentalwerk Buermoss GmbH · ELC Scaler, Ultrasonic

Cleared on Jul 14, 2023 as substantially equivalent to K140965 (Mectron S.P.A., 2014) after a 276-day review. Its family tree reaches back 7 generations to 1990.

Decided
Jul 14, 2023
Review
276 days
Class
Class II
Product code
ELC
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K896749 (1990). 13 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 7 generations backK896749 Piezon Master 400Electro Medical Systems (Ems Sa) · 1990
  2. 6 generations backK992504 Ems Kermit(Ems Sa) Electro Medical Systems · 2000
  3. 5 generations backK022328 Ems Piezon Master 600Electro Medical Systems SA · 2002
  4. 4 generations backK052518 PiezosurgeryPiezosurgery S.R.L. · 2005
  5. 3 generations backK091227 Piezosurgery 3; Osstem PiezoPiezosurgery S.R.L. · 2009
  6. 2 generations backK102218 Compact Piezo P2K, PowercareMectron S.P.A. · 2011
  7. 1 generation backK140965 Multipiezo Pro, MultipiezoMectron S.P.A. · 2014
  8. This deviceK223173 Proxeo ULTRA (PB-510, PB-520 and PB-530)W&H Dentalwerk Buermoss GmbH · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K896749Piezon Master 400Electro Medical Systems (Ems Sa)1990—
−6K992504Ems Kermit(Ems Sa) Electro Medical Systems2000—
−5K022328Ems Piezon Master 600Electro Medical Systems SA2002—
−4K052518PiezosurgeryPiezosurgery S.R.L.2005—
−3K091227Piezosurgery 3; Osstem PiezoPiezosurgery S.R.L.2009—
−2K102218Compact Piezo P2K, PowercareMectron S.P.A.2011—
−1K140965Multipiezo Pro, MultipiezoMectron S.P.A.2014—
0 (this device)K223173Proxeo ULTRA (PB-510, PB-520 and PB-530)W&H Dentalwerk Buermoss GmbH2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
199520
199610
199710
200410
FIG. 1 — Lineage of K223173, 1990–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in ELC? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new ELC device

  1. #1 K260773 Varios Combi Pro2score 12.5 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K140965Multipiezo Pro, Multipiezo
Summary page 5
…510(k) Holder Device Device Number Multipiezo Pro ---------- K140965 Mectron Spa Scaler, E.M.S. ELECTRO Ul…
Mectron S.P.A.2014—
†K132445Piezon 250E.M.S Electro Medical Systems S.A2013—

Also cleared against K140965: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 33 years and passes through 6 companies; a new generation was cleared every 3.6 years on median.
  • None of the 13 ancestors has a recall.
  • 1 other device also cites its predicate K140965.

How does its category compare?

All ELC devices

ELC Scaler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · ELC

2in 2025

2007: 62008: 42009: 42010: 42011: 32012: 12013: 132014: 62015: 52016: 32017: 22018: 12019: 42020: 12021: 32022: 22023: 52024: 42025: 22026 (partial year): 2
2007high 13 (2013) · low 1 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ELC

104in 2024

2007: 92 days median2008: 216 days median2009: 121 days median2010: 201 days median2011: 122 days median2013: 174 days median2014: 193 days median2015: 150 days median2016: 88 days median2019: 192 days median2021: 196 days median2023: 258 days median2024: 104 days median
2007high 258 (2023) · low 88 (2016)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · ELC

2in 2022

2022: 2
2007high 2 (2022) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · ELC

284in 2025

2007: 122008: 582009: 1082010: 792011: 52012: 32013: 62014: 372015: 1352016: 1692017: 3562018: 2892019: 3022020: 1642021: 1662022: 1652023: 2102024: 2192025: 284
2007high 356 (2017) · low 3 (2012)2025

MAUDE reports naming product code ELC, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007692012
20084216058
200941210108
20104201079
2011312205
20121—03
20131317406
20146193037
201551500135
20163880169
20172—0356
20181—0289
201941920302
20201—0164
202131960166
20222—2165
202352580210
202441040219
20252—0284
20262—0—

What is it indicated for?

Drive unit with a piezoceramic oscillating system, which moves the tip in a linear oscillation.

The drive unit is used for the removal of supragingival calculus and subgingival concretions and for endodontic application and preparation of tooth enamel.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K223173: Proxeo ULTRA (PB-510, PB-520 and PB-530).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K223173

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026